Steam oven



FIG. 1 is a perspective view from the front, right side of a steam ovenshowing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof, with the bottom view being a mirror imagethereof (with the exception of the unclaimed handle); and,

FIG. 4 is a right side view thereof with the left side view thereofbeing a mirror image thereof.

The broken lines represent environment or structure of the steam oven,and do not form any part of the claimed design.

The rear view is unornamented and unclaimed and therefore is notprovided.

The ornamental design for a steam oven, as shown and described.